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1.
A Poop Machine is a person who shits alot and clogs toilets constenly.
Mia is such a Poop Machine. She clogged my toilet just yesterday.
by K-Frizzle June 08, 2004
 
2.
The thing you use if you "poop" on someone. Used mostly in video game references.
Teammate-"Someone better get the POOP MACHINE out cause you just got pooped on!!!!!!!!!!!!!"

Other team-"STFU.... *rage quit*
by Ohiostate81 October 20, 2010